SimpleMachines / SMF2.1

	{

		if (!isset($non_twelve_hour))

			$non_twelve_hour = trim(strftime('%p')) === '';

		if ($non_twelve_hour && strpos($str, '%p') !== false)

			$str = str_replace('%p', (strftime('%H', $time) < 12 ? $txt['time_am'] : $txt['time_pm']), $str);

		foreach (array('%a', '%A', '%b', '%B') as $token)

			if (strpos($str, $token) !== false)

			if (strpos($str, $token) !== false)

				$str = str_replace($token, $txt[$text_label][(int) strftime($token === '%a' || $token === '%A' ? '%w' : '%m', $time)], $str);

		if (strpos($str, '%p') !== false)

			$str = str_replace('%p', (strftime('%H', $time) < 12 ? $txt['time_am'] : $txt['time_pm']), $str);

	}

	// Windows doesn't support %e; on some versions, strftime fails altogether if used, so let's prevent that.